keanteng/streamlit_floodv2

🌊Flood Mapping Tools (with extent mapping)

Streamlit App For Flood Incidents in Malaysia

An app powered by Streamlit to visualize the flood incidents in Malaysia from 2015 to 2021.

Table of Contents:

• Functions
• Flood Mapping Tool
• Using this repository
• Resources
• References

Functions

• Estimate the extent of a flood
• Visualize flood incidents' statistics
  • On bar chart, market cluster plot and heatmap

Flood Mapping Tool

The web app contains a feature to allow user to estimate flood extent using Sentinel-1 synthetic-aperture radar SAR data.

Using this repository

1. Make sure you have installed all the packages in requirements.txt
2. If you are running this repo on your local Windows machine, you will probably encounter fcntl module not found error. But this repo can still do fine on the web app
   • Go to Google Earth Engine and create an account
   • Go to Windows terminal:

   py -m pip install ee
   import ee
   ee.Authenticate()

   • You will need to paste the authorization code back on the terminal. Once the step is complete, you can find the token on your local machine at C:\\Users\\Username\\.congif\\earthengine\\credentials
3. Now assuming you have created an empty repository on you GitHub account and put everything in this repository there
   • Go to Streamlit and create an account there. Remember to link to your GitHub account.
   • Then you need to deploy your repository you created just now.
   • Before you click deploy, select advanced option and fill up the secret using the information in C:\\Users\\Username\\.congif\\earthengine\\credentials. You need to copy everything there.

   EARTHENGINE_TOKEN = 'PASTE WHAT YOU COPY HERE'
   ee_keys = 'PASTE WHAT YOU COPY HERE'

Resources

The flood incidents data is collected from the annual flood report published by the Department of Irrigation and Drainage. The report can be found here:

Flood Annual Report	Link
2015 Report	Link
2016 Report	Link
2017 Report	link
2018 Report	Link
2019 Report	Link
2020 Report	Link
2021 Report	Link

References

1. mapaction/flood mapping tool
2. opengeos/streamlit-geospatial

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